News Uvalde report and ‘NRA Math’: Why nearly 400 ‘good guys with guns’ couldn’t stop one bad guy July 18, 2022 Rex Huppke, USA TODAY Comments Off on Uvalde report and ‘NRA Math’: Why nearly 400 ‘good guys with guns’ couldn’t stop one bad guy How did nearly 400 good guys with guns in Uvalde not stop one bad guy with a gun? You have to understand 'NRA Math' for it to make sense.